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Article Title

Why Don’t People Trust Experts?

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293

Abstract

Credence goods such as health care, legal and financial services, and auto repair create a conflict of interest by requiring experts to diagnose and provide services to uninformed consumers. Mistreatment of consumers appears widespread empirically, but a simple explanation for mistreatment under realistic assumptions has proved elusive. I generalize Uwe Dulleck and Rudolf Kerschbamer’s credence-good model to incorporate the highly realistic assumption that consumers do not observe experts’ cost functions. The model guarantees equilibrium mistreatment in a wide range of price-setting and market environments. The model also yields testable implications regarding the nature of mistreating firms and the direction of mistreatment.

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